| Researcher(s) |
Ben Parkin (Liebe Group) |
|---|---|
| Year(s) | 2005 |
| Contributor | Liebe Group |
| Trial location(s) |
Goodlands, WA
|
To evaluate the effectiveness of skip row spacing of wheat in a low rainfall environment with subsoil constraints.
| Lead research organisation |
Liebe Group |
|---|---|
| Host research organisation | N/A |
| Trial funding source | GRDC LIE00003 |
| Related program | N/A |
| Acknowledgments |
Liebe Group would like to acknowledge GRDC for project funding and the assistance of the Department of Agriculture WA, especially the input and assistance of Paul Blackwell and Dave Gartner. Thanks also to Grant and Stacey Hudson for hosting the trial and asisistance with implementing the trial.
|
| Other trial partners | Not specified |
| Crop type | Cereal (Grain): Wheat |
|---|---|
| Treatment type(s) |
|
| Trial type | Experimental |
| Trial design | Replicated |
| Sow date | 25 May 2005 |
|---|---|
| Harvest date | Not specified |
| Plot size | 155m x 12m |
| Plot replication | 3 |
| Fertiliser |
70 kg/ha AgflowZn (all below seeded rows), 45 L/ha FlexiN |
| Herbicide |
1.1 L/ha Roundup Powermax, 700 mL/ha SpraySeed, 1.0 L/ha Decision, 400 mL/ha MCPA LVE + 3 g/ha Logran. |
| @T1: Athesis | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| # | Variety |
Treatment 1
|
Treatment 2
|
Gross margin ($/ha) | Head abundance (heads/m2) | Hectolitre weight (kg/hL) | Plant density (plants/m2) | Protein (%) | Screenings (%) | Grain yield (t/ha) | Biomass (t/ha) |
| 1 | █ Arrino | █ 30 kg/ha seeding | █ 12 inch + skip row spacing | 138 | 343 | 82.51 | 114 | 9.1 | 1.49 | 2.26 | 4.29 |
| 1 | █ Arrino | █ 30 kg/ha seeding | █ 12 inch spacing | 167 | 322 | 82.86 | 91 | 8.5 | 1.08 | 2.57 | 5.17 |
| 2 | █ Arrino | █ 60 kg/ha seeding | █ 13 inch + skip row spacing | 142 | 363 | 82.46 | 196 | 8.8 | 1.31 | 2.37 | 4.47 |
| 2 | █ Arrino | █ 60 kg/ha seeding | █ 13 inch spacing | 177 | 315 | 82.48 | 156 | 8.9 | 1.1 | 2.69 | 5.03 |
| 3 | █ Arrino | █ 30 kg/ha seeding | █ 10 inch + skip row spacing | 168 | 273 | 82.68 | 68 | 9.8 | 1.01 | 2.2 | 4.05 |
| 3 | █ Arrino | █ 30 kg/ha seeding | █ 10 inch spacing | 195 | 238 | 82.52 | 79 | 9.1 | 1.45 | 2.46 | 4.19 |
| 4 | █ Arrino | █ 60 kg/ha seeding | █ 11 inch + skip row spacing | 190 | 314 | 82.76 | 121 | 9.4 | 1.26 | 2.42 | 4.62 |
| 4 | █ Arrino | █ 60 kg/ha seeding | █ 11 inch spacing | 188 | 256 | 82.74 | 134 | 8.9 | 1.23 | 2.48 | 5.03 |
| 5 | █ Wyalkatchem | █ | █ | ||||||||
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| 6 | █ Wyalkatchem | █ | █ | ||||||||
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| 7 | █ Wyalkatchem | █ | █ | ||||||||
| 7 | █ Wyalkatchem | █ | █ | ||||||||
| 8 | █ Wyalkatchem | █ | █ | ||||||||
| 8 | █ Wyalkatchem | █ | █ | ||||||||
| Rainfall trial gsr (mm) | 239mm |
|---|
SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to
construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol
16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.
